SIXFLAGS THEMEPARKS, INC.
371 Marks
Corp.
First Filed:Sep 14, 1966Latest Filed:Jan 26, 2026Address:1000 Ballpark Way - Suite 400, Arlington, TX 76011
Portfolio Overview
Registered
116(31%)Pending
10(3%)Dead
245(66%)Previous
9Top Classes
Class 41
Education and EntertainmentClass 25
Clothing, Footwear & HeadgearClass 42
Software, IT Services & Scientific ResearchTTAB Proceedings
Total Proceedings
31As Plaintiff
9(29%)As Defendant
22(71%)Top Firms
Phillips Nizer LLP(Jan 2026)
135
OSTROLENK FABER LLP(Aug 2018)
103
AMSTER, ROTHSTEIN & EBENSTEI...(Feb 2021)
5
Stinson LLP(Sep 2003)
3
Seyfarth Shaw LLP(Sep 2003)
1
Trademark Activity Timeline(1980 – 2026)
Trademark Portfolio
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